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AUDIOGRAM6
IC BLOCK DIAGRAM（IC ブロック図）
BA10339F-E2 (X6266A0R)
MAIN6: IC802
Ground Sense Comparator
OUT2
1
2
OUT1
3
Vcc
+
-IN1
4
-
+
+IN1
5
-IN2
6
+
-
+
7
+IN2
BD2056AFJ-E2 (X9691A00)
PSUSB: IC301
USB High Side Switch
GND
/OC1
1
8
IN
2
OUT1
7
OUT2
EN1
3
6
/OC2
EN2
4
5
NJM072BM-E-TE1 (X4543A01)
MAIN6: IC101
Dual Operational Amplifier
A Output
1
A -Input
2
-
+
A +Input
3
+
V -
4
10
NJM2374AM-TE1 (X9482A00)
PSUSB: IC401, IC501, IC601
PWM DC/DC Converter
OUT3
Cs
1
14
Es
2
13
OUT4
C
3
V
T
12
EE
-
GND
4
11
+IN4
-IN4
10
9
+IN3
-
-IN3
8
EN1
3
Charge
OCD1
pump1
IN
2
UVLO
EN2
4
Charge
OCD2
pump2
GND
1
NJM2068MD-TE2 (X3505A00)
MAIN6: IC301, IC501
PSUSB: IC201, IC202
Dual Operational Amplifier
V +
Output A
+V
8
Inverting
7
B Output
Non-Inverting
6
B -Input
-
-DC Voltage Supply
B +Input
5
Cs
1
C
8
D
1.5A
S
7
I
+
6
V
Es
2
+
IN
5
C
3
T
GND
4
/OC1
8
Gate
Logic1
TSD1
SW1
7
OUT1
OUT2
6
SW2
TSD2
5
/OC2
Gate
Logic2
+DC Voltage
1
+V
8
Supply
Output B
2
7
Input A
-
+
Inverting
3
6
+
-
Input B
Input A
Non-Inverting
4
-V
5
Input B
8
Q
S
PWM
Logic
R
160Ω
7
Vth=300mV
Maximum
ON duty 9.1
OSC BLOCK
Ipk Sense
6
PWM COMP
Vref
1.25V
±2%
ERR. AMP
5
BA4560RF-E2 (X6897A00)
MAIN6: IC102–104, IC201, IC302, IC502,
IC701, IC702, IC801
Dual Operational Amplifier
Output 1
1
-Input 1
2
-
+
+Input 1
3
+
VEE
4
-V
NJM4580L (XF195A00)
MAIN6: IC703
Dual Operational Amplifier
A
-
1
2
3
4
5
OUT
-IN
+IN
-V
+IN
A
A
A
B
C
D
S
I
+
V
+
IN
VCC
+V
8
Output 2
7
-Input 2
6
-
+Input 2
5
B
-
6
7
8
-IN
OUT
+V
B
B
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